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Katagai surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Friday 27 Feb 2026 JSTForecast update in hr min s Forecast update imminent
Katagai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Katagai sea temperature is
13.3° C
(Which is 2.8°C colder than average for this time of year)How big are the waves at Katagai today?
The current surf forecast for Katagai at 9PM is: 1.5m 9s primary swell from a East direction and 0.4m 8s secondary swell from a South-southeast direction (forecast issued at 02:00pm February 27). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Feb) | - | - |
| Afternoon (27 Feb) | 8ft (2.5m) | 10s |
| Evening (27 Feb) | 5ft (1.5m) | 9s |
Table - waves today at Katagai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | |||||||||||||||||||||
| 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 9 | 9 | 9 | 14 | 13 | 13 | 12 | 12 | 12 | 10 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 15 | 15 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 637 | 1139 | 474 | 392 | 332 | 282 | 236 | 219 | 268 | 244 | 1160 | 1149 | 163 | 266 | 238 | 188 | 194 | 191 | 149 | 112 | 89 | 272 | 343 | 416 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | glass | on | cross- on | on | on | on | glass | cross- off |
High Tide / height (m) | 4:08AM 1.25 | 12:49PM 1.28 | 4:13AM 1.28 | 2:08PM 1.35 | 4:26AM 1.30 | |||||||||||||||||||
Low Tide / height (m) | 7:49PM 0.26 | 8:24AM 1.13 | 8:45PM 0.19 | 9:04AM 0.99 | 9:28PM 0.15 | |||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 01 | Monday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 |
| Sunset | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - |
 | |  | | | | | | | |  | | | |  |  |  | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - |
| Temp. °C | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 13 | 17 | 14 | 11 | 10 | 9 | 8 | 9 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 |
| Feels °C (?) | 7 | 7 | 7 | 8 | 9 | 9 | 8 | 9 | 9 | 11 | 7 | 5 | 5 | 4 | 5 | 5 | 10 | 8 | 9 | 10 | 11 | 12 | 13 | 10 |
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Katagai surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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